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Finding the Fourth Proportional to 57,275.99, 85,885.89 and 23,535.90

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Solution

The fourth proportional to 57,275.99, 85,885.89 and 23,535.90 is: 35,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.99 : 85,885.89 = 23,535.90 : x
  2. Step 2: Convert to fraction form
    57,275.99/85,885.89 = 23,535.90/x
  3. Step 3: Cross multiply
    57,275.99x = 85,885.89 × 23,535.90
  4. Step 4: Simplify right side
    57,275.99x = 2,021,401,630.19
  5. Step 5: Solve for x
    x = 2,021,401,630.19/57,275.99
  6. Step 6: Final answer
    x = 35,292.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.